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polytechnique.fr

https://polytechnique.fr· First analyzed 25 Apr 2026· Updated 25 Apr 2026
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polytechnique.fr
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Mobile

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Hosting Provider

Ecole Polytechnique

IP Address

129.104.30.29

Site Location

🇫🇷 Francevia tld

Server Location

🇫🇷 Longjumeau, France

ASN

AS2200

Organization

Ecole Polytechnique

Server

sysdsi/6.6.6

Nameservers

ns2.nic.fr.picaros.polytechnique.fr.milou.polytechnique.fr.rackham.polytechnique.fr.

Performance

100

Core Web Vitals

Weight

First Contentful Paint
600 ms10%
Speed Index
780 ms10%
Largest Contentful Paint
—25%
Total Blocking Time
0.0 ms30%
Cumulative Layout Shift
0.00025%
4.6 MB
48 requests

Image Optimization

Lazy Load
0–49
50–89
90–100

Architecture Stack

Monolithic
⚙️ SSR
Frontend
Styling
Bootstrap
CMS
Drupal
Infrastructure
Hosting
Ecole Polytechnique

Technology Stack

10 Technologies Detected

UI Components

2
Slick CarouselLightbox

CSS Frameworks

2
Bootstrapv4.3.1
Tailwind CSS

Fonts

2
Adobe Fonts (Typekit)Adobe Fonts

Icon Libraries

1
Font Awesome

Tag Managers

1
Google Tag Manager

Analytics

1
Matomo

Social

1
ShareThis

SEO Analysis

C65/100
19
7
1
Meta Tags12/15
Content6/12
Headings8/8
Technical18/25
E-E-A-T0/7
Images2/7
Links5/5
URL5/5
Social4/5
Freshness0/4
Mobile2/4
Indexability3/3
P
polytechnique.frpolytechnique.fr

École polytechnique, école d'ingénieur

L'École polytechnique est une école d'ingénieur qui associe recherche, enseignement et innovation au meilleur niveau scientifique et technologique.

Title Length38 chars

Recommended: 50-60 chars (~218px / 580px)

Description Length147 chars

Recommended: 120-160 chars

Issues (1)

  • • Most images missing alt text (38/52) — critical for accessibility and SEO

8 issues found

Upgrade to view details

Crawlability

Sitemap

Type: index

2 URLs

2 sub-sitemaps

robots.txt

42 rules

Sitemap reference found

Local SEO

Local Search Readiness

6/100
Poor
2 13 2

This site doesn't appear to be a local business. Local SEO signals are optional for non-local websites.

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AI & LLM Readiness

F37/100
Bot Access
20/25
Machine Read.
7/25
Schema Data
0/25
Citation
10/25

AI Bot Access

14/14 accessible
AI Search
OAI-SearchBot
PerplexityBot
Claude-SearchBot
Gemini-Deep-Research
DuckAssistBot
Training
GPTBot
ClaudeBot
Google-Extended
Meta-ExternalAgent
Bytespiderinfo
Amazonbot
Applebot-Extended
CCBotinfo
Fetch
ChatGPT-User

Machine Readability

llms.txt
llms-full.txt
Semantic HTML
Heading Hierarchy
Text ratio:4%
Words:1,438
Token eff.:Optimal

Structured Data

No Schema

Citation Readiness

Opening Summary
Descriptive Headings
Canonical URL
Open Graph2/3
Twitter Card3/3
Language Tag
Publish Date
Author Info
Lists
Tables
TL;DR / Summary
About Page Link
Recommendations (12)
AI readiness recommendation preview...
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Accessibility

WCAG 2.1 Compliance

Evaluates how accessible your website is for users with disabilities, based on WCAG 2.1 guidelines. Checks images, forms, keyboard navigation, ARIA roles, and color contrast.
B
73/100
14
Passed
2
Critical
2
Warnings
Images & Alt Text
5/20
Checks if images have descriptive alt text for screen readers and visually impaired users.
Semantic Structure
20/20
Evaluates proper use of HTML5 semantic elements (header, nav, main, footer) and heading hierarchy.
Forms & Inputs
15/15
Verifies form fields have labels, error messages are clear, and inputs are properly associated.
Color & Contrast
15/15
Tests text-to-background color contrast ratios against WCAG AA/AAA minimum requirements.
Keyboard & Focus
9/15
Ensures all interactive elements are reachable and operable via keyboard (tab, enter, escape).
ARIA & Roles
9/15
Checks correct use of WAI-ARIA attributes (roles, states, properties) for assistive technologies.
2 recommendations
  • •Accessibility recommendation preview...
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Carbon Footprint

SWDM v4 · Eco-Score

Carbon emissions estimated using the Sustainable Web Design Model v4 (SWDM v4). Factors in data center, network, and device energy across new and returning visitors. Grade thresholds based on HTTP Archive percentiles.
20/100
F
585 mg
CO₂e / view
4.6 MB
Page Weight
15%
Cleaner Than
New Visitor
669 mg
vs
Returning (cached)
335 mg
Annual (10K/mo)
70.2 kg
Emission Segments
Data Center
131 mg
Network
141 mg
Device
314 mg
Resource Breakdown
JavaScript
558.7 KB
Images
2.4 MB
CSS
1.4 MB
HTML
238.5 KB
Green Hosting Not Verified
Ecole Polytechnique
8 recommendations
  • •Carbon footprint recommendation preview...
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C

Security Score

61%Fair
Interactive

HTTPS

No WAF

178d

Certificate Details

Type

Organization Validated (OV)

Certificate Authority

Hellenic Academic and Research Institutions CA

Key Algorithm

ECDSA (secp256r1) (256 bit)

Signature

ECDSA with SHA-384

TLS Version

TLSv1.3

HTTP Protocol

HTTP/2

Valid From

21.10.2025

Valid Until

21.10.2026

OCSP Stapling

Enabled

Subject Alternative Names (5)

www.polytechnique.frpolytechnique.edudrupal.polytechnique.frpolytechnique.frwww.polytechnique.edu

SHA-256 Fingerprint

89:D2:66:A9:84:F9:B0:94:A1:F7:EB:2B:F7:1B:E1:BF:C7:BD:47:1A...

Top Recommendations

Security recommendation preview

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HTTP Headers

Developer Console

cache-control
🔵 1 Days(max-age=86400, public)
content-language
fr
content-length
243931
content-type
text/html; charset=UTF-8
date
Sat, 25 Apr 2026 14:58:45 GMT
etag
"1777129125"
Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

65

SPF
DKIM
DMARC

DMARC Policy

None (Monitor Only)

MX Records (2)

mx-b.polytechnique.fr
mx-a.polytechnique.fr

Domain Information

polytechnique.fr

Domain Age
31y 4m

Created

31.12.1994

Expires

31.12.2026

Last Updated

13.02.2026

Registrar

GIP RENATER

DNSSEC
Not Enabled

Privacy & Compliance

Cookie Consent Banner
Privacy Policy
Terms of Service

GDPR Indicators

Cookie consent banner detected
Privacy policy page linked

Mobile Compatibility

Viewport & Responsive Test

Tests how well your website works on mobile devices. Checks viewport configuration, responsive layout, touch targets, font readability, and simulates rendering across different screen sizes.
C
62/100
Mobile Friendly1 breakpoint
Viewport Meta
The viewport meta tag tells mobile browsers how to scale the page. Without it, mobile devices render at desktop width.
Responsive Design
Uses CSS media queries or flexible layouts to adapt content to different screen sizes automatically.
Touch Icons
Apple touch icons and favicons displayed when users add the site to their home screen on mobile devices.
Readable Font Size
Base font size should be at least 16px on mobile to ensure text is readable without zooming.
Relative Units
Using em, rem, %, or vw instead of fixed px values allows content to scale properly across screen sizes.
No H-Scroll Risk
No elements wider than the viewport that would cause horizontal scrolling on mobile devices.
Tap Targets OK
Interactive elements (buttons, links) are at least 48x48px with enough spacing to prevent accidental taps.
No Fixed Widths
No elements with fixed pixel widths that could overflow on smaller screens and break the layout.
Viewport
width=device-width, initial-scale=1.0
2 recommendations
  • •Mobile compatibility recommendation preview...
Upgrade to view recommendations

Typography & Readability

adobe-garamond-pro + Barlow

WCAG AAA
77/100
Readability
/30
22/30

22px · LH --

Hierarchy
/20
17/20

2.73x ratio · ✓ H1→H6

WCAG
/25
23/25

10.56:1 min contrast

Performance
/25
15/25

System fonts

Heading Font

adobe-garamond-pro

Sans60px

Body Font

Barlow

Sans22px

Contrast Ratio

10.56:1

WCAG AAA (≥7:1)

Reading Comfort

~38 CPL

Narrow lines
60px
h1
60px
h2
28px
h3
22px
p

✅ Excellent readability: 22px body text is ideal for all devices.

❌ Very complex text: Flesch score 0/100. Consider shorter sentences and simpler words.

✅ WCAG AAA contrast: All text meets 7:1 ratio (min 10.6:1).

✅ Perfect heading hierarchy: Sequential h1→h2→h3 with single H1 — ideal for SEO & accessibility.

✅ Strong hierarchy: Headlines are 2.7x larger than body text.

✅ Modern fluid typography: clamp() with rem units ensures zoom accessibility (WCAG 1.4.4).

AAdobe FontsFluid Type (rem)Flesch 0

Color Palette

9 unique colors
5.64:1 AA Light
#ffffff
Background· 40.400000000000006%
#6b6668
Other· 5.2%
#7b99a9
Primary· 6%

Business & Marketing Stack

3 Tools Detected

Growing

Behavior Analytics

3
Matomo (Piwik)Mid-Market
Google Tag ManagerFree
Google AnalyticsFree

User behavior and product analytics

1

Categories

3

Total Tools

0

Enterprise

1

Mid-Market

Assessment: Growing marketing technology adoption

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Scripts & Styles

17 Resources

10
Scripts
7
Styles
3
Async
1
Defer

Top Script Sources

local(4)cdnjs.cloudflare.com(2)cdn.jsdelivr.net(2)stats-web.polytechnique.fr(1)stackpath.bootstrapcdn.com(1)

Website Identity

polytechnique.fr

31 years old
Location detected: 🇫🇷 Francevia tld
GIP RENATERfr

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Last analyzed: 25 Apr 2026 at 14:58

Historical Analysis & Change Tracking